Anti barking device



FIG. 1 is a front, right and top perspective view of an anti barking device, showing my design.

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines depict portions of the anti barking device that form no part of the claimed design. 

CLAIM The ornamental design for an anti barking device, as shown and described. 